export type V2Fasta = 'FASTA_UNSPECIFIED' | 'FASTA_GENE' | 'FASTA_RNA' | 'FASTA_PROTEIN' | 'FASTA_GENE_FLANK' | 'FASTA_CDS' | 'FASTA_5P_UTR' | 'FASTA_3P_UTR';

export type V2GeneDatasetRequestGeneDatasetReportType = 'DATASET_REPORT' | 'PRODUCT_REPORT';

export type GetApiGeneIdGeneIdsDownloadArgs = {gene_ids: Array<number>, include_annotation_type?: Array<V2Fasta> | undefined, accession_filter?: Array<string> | undefined, aux_report?: Array<V2GeneDatasetRequestGeneDatasetReportType> | undefined, tabular_reports?: Array<V2GeneDatasetRequestGeneDatasetReportType> | undefined, filename?: string | undefined};

export type GetApiGeneIdGeneIdsDownloadOptions = {baseUrl?: string | undefined, ApiKeyAuthHeader?: string | undefined, fetch?: typeof fetch | undefined};

/**
 * Get a gene data package by GeneID
 * 
 * GET /gene/id/{gene_ids}/download
 */
export const getApiGeneIdGeneIdsDownload = async (args: GetApiGeneIdGeneIdsDownloadArgs, options?: GetApiGeneIdGeneIdsDownloadOptions) => {
const {baseUrl = "https://api.ncbi.nlm.nih.gov/datasets/v2", fetch: fetchFn = fetch, ApiKeyAuthHeader} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/zip")

for (const item of args.include_annotation_type ?? []) query.append("include_annotation_type", String(item))
for (const item of args.accession_filter ?? []) query.append("accession_filter", String(item))
for (const item of args.aux_report ?? []) query.append("aux_report", String(item))
for (const item of args.tabular_reports ?? []) query.append("tabular_reports", String(item))
if (args.filename != null) query.append("filename", String(args.filename))
if (ApiKeyAuthHeader !== undefined) headers.set("api-key", ApiKeyAuthHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/gene/id/${encodeURIComponent(String(args.gene_ids))}/download${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return res.blob()
};